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Diffstat (limited to 'Master/texmf-dist/tex/generic/thumbpdf')
| -rw-r--r-- | Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.sty | 543 | ||||
| -rw-r--r-- | Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.tex | 278 |
2 files changed, 821 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.sty b/Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.sty new file mode 100644 index 00000000000..74569d864dc --- /dev/null +++ b/Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.sty @@ -0,0 +1,543 @@ +% File: thumbpdf.sty +% Project: thumbpdf +% Version: 2005/07/06 v3.8 +% Author: Heiko Oberdiek +% +% Function: Inclusion of thumbnails +% +% Copyright: Copyright (C) 1999-2005 Heiko Oberdiek. +% +% This work may be distributed and/or modified under +% the conditions of the LaTeX Project Public License, +% either version 1.3 of this license or (at your option) +% any later version. The latest version of this license +% is in +% http://www.latex-project.org/lppl.txt +% and version 1.3 or later is part of all distributions +% of LaTeX version 2003/12/01 or later. +% +% This work has the LPPL maintenance status "maintained". +% +% This Current Maintainer of this work is Heiko Oberdiek. +% +% See file `readme.txt' for a list of files that +% belong to this project. +% +% Requirement: * pdftex mode: +% * pdfTeX (plain or latex formats) +% * thumbnail data file: `<jobname>.tpt' +% * pdfmark mode: +% * Ghostscript 6.0, versions below do not work. +% Eventually Adobe Distiller can work, but I +% cannot test this. +% * thumbnail data file: `<jobname>.tpm' +% * Both thumbnail data files are generated by the +% perl script `thumbpdf(.pl)'. +% +% Use: * LaTeX2e: \usepackage{thumbpdf} +% Options: pdftex, +% pdfmark, dvips, ps2pdf +% vtex, vtexpdfmark +% * plain: \input thumbpdf.sty +% A driver can be defined previously: +% \def\ThumbpdfDriver{pdfmark} +% * It is not necessary to set driver `pdftex', `vtex', +% or `vtexpdfmark', because pdfTeX and VTeX are +% detected at run time. So package `thumbpdf' +% chooses the correct driver and ignores other +% specified drivers. +% +% History: 1999/02/14 v1.0: first public release +% 1999/02/23 v1.1: bug in plain-\@thumbwarning removed. +% 1999/03/01 v1.2: \DefLastObj no longer needed. +% 1999/03/12 v1.3: Copyright: LPPL +% 1999/05/05 v1.4: added \the before \inputlineno. +% sharing RGB objects. +% 1999/06/13 v1.5 +% 1999/07/27 v1.6: Bug of handling with \pdfpageattr +% fixed. The same bug is in hyperref +% versions below 6.64 (option +% pagetransition). +% Warning added, if there are missing +% thumbnails. +% 1999/08/08 v1.7: Bug in \@ThumbPageAttr fixed +% (introduced in version 1.6). +% 1999/09/09 v1.8: \PackageWarning does not work at +% the beginning of \shipout, because +% \protect has been set to \noexpand +% (mysterious LaTeX behaviour?). +% 1999/09/16 v1.9 +% 2000/01/11 v1.10: Revised. +% 2000/01/19 v1.11 +% 2000/02/11 v1.12: \jobname.tnd supported, +% \DeclareThumbs added. +% 2000/02/22 v2.0: pdfmark support, extra thumbnails are +% scanned in file `<jobname>.tno'. +% 2000/02/28 v2.1: support of `thumbpdf.cfg'. +% 2000/03/07 v2.2 +% 2000/03/22 v2.3 +% 2000/04/10 v2.4 +% 2000/07/29 v2.5 +% 2000/09/27 v2.6 +% 2000/10/27 v2.7 +% 2001/01/12 v2.8 +% 2001/03/29 v2.9 +% 2001/04/02 v2.10 +% 2001/04/26 v2.11 +% 2002/01/11 v3.0: Support for VTeX's PostScript mode added. +% 2002/05/26 v3.1 +% 2002/05/26 v3.2 +% 2003/03/19 v3.3 +% 2003/06/06 v3.4 +% 2004/10/24 v3.5: LPPL 1.3. +% 2004/11/19 v3.6 +% 2004/11/19 v3.7 +% 2005/07/06 v3.8 +% +% \THB@ is the prefix for internal command names. +% +% Prevent that the package is loaded twice (for plain formats). +\expandafter\ifx\csname THB@name\endcsname\relax + \expandafter\gdef\csname THB@name\endcsname{thumbpdf} +\else + \expandafter\endinput +\fi + +% Package identification in the log file +\begingroup + \def\x[#1]{\endgroup\immediate\write-1{Package: thumbpdf #1}}% + \ifx\ProvidesPackage\UnDeFiNeD + \else + \ifx\ProvidesPackage\relax + \else + \def\x{\endgroup\ProvidesPackage{thumbpdf}}% + \fi + \fi +\x[2005/07/06 v3.8 Inclusion of thumbnails (HO)]% + +% Dummy for \thisthumb and \DeclareThumbs. It is overwritten, +% if the checks succeed and the whole package is loaded. +\def\thisthumb#1{} +\def\DeclareThumbs#1{} + +% Check part, keep help macros local: +\begingroup + + % For use of `@' in command names. + \catcode`\@=11 + + % Now we define utils of the LaTeX kernel, if they aren't. + \expandafter\ifx\csname @firstoftwo\endcsname\relax + \long\def\@firstoftwo#1#2{#1}% + \long\def\@secondoftwo#1#2{#2}% + \fi + \expandafter\ifx\csname @ifundefined\endcsname\relax + \def\@ifundefined#1{% + \expandafter\ifx\csname#1\endcsname\relax + \expandafter\@firstoftwo + \else + \expandafter\@secondoftwo + \fi + }% + \fi + + % If a check fails, a warning is produced and the package exits. + \@ifundefined{PackageWarningNoLine}{% + \def\PackageWarningNoLine#1#2{% + \immediate\write16{}% + \immediate\write16{Package #1 Warning: #2.}% + \immediate\write16{}% + }% + }{} + + \long\def\@ReturnAfterFi#1\fi{\fi#1} + \long\def\@ReturnAfterElseFi#1\else#2\fi{\fi#1} + + \def\THB@WarnEnd#1{% + \PackageWarningNoLine{thumbpdf}{#1}% + \endgroup + \endinput + } + + % \csname-Trick because of \outer definition of \newread. + % \globaldefs=-1 in order to make the allocation of \newread local. + \@ifundefined{IfFileExists}{% + \edef\x{\the\globaldefs}% + \globaldefs-1\relax + \csname newread\endcsname\THB@TempRead + \globaldefs\x\relax + \def\IfFileExists#1{% + \openin\THB@TempRead=#1\relax + \ifeof\THB@TempRead + \closein\THB@TempRead + \expandafter\@secondoftwo + \else + \closein\THB@TempRead + \expandafter\@firstoftwo + \fi + }% + }{} + + % Load .cfg file if it exists + \IfFileExists{thumbpdf.cfg}{% + \@ifundefined{@@input}{% + \input thumbpdf.cfg\relax + }{% + \input{thumbpdf.cfg}% + }% + }{} + + % LaTeX2e options + \def\THB@pdftex{pdftex} + \def\THB@pdfmark{pdfmark} + \def\THB@vtex{vtex} + \@ifundefined{ThumbpdfDriver}{\let\ThumbpdfDriver\empty}{} + \@ifundefined{DeclareOption}{}{% + \DeclareOption{pdftex}{\let\ThumbpdfDriver\THB@pdftex}% + \DeclareOption{pdfmark}{\let\ThumbpdfDriver\THB@pdfmark}% + \DeclareOption{dvips}{\let\ThumbpdfDriver\THB@pdfmark}% + \DeclareOption{ps2pdf}{\let\ThumbpdfDriver\THB@pdfmark}% + \DeclareOption{vtex}{\let\ThumbpdfDriver\THB@vtex}% + \DeclareOption{vtexpdfmark}{\let\ThumbpdfDriver\THB@vtex}% + \ProcessOptions\relax + } + \edef\x{\ThumbpdfDriver} + \expandafter\lowercase\expandafter{% + \expandafter\gdef\expandafter\ThumbpdfDriver\expandafter{\x}% + } + \def\x{dvips}\ifx\ThumbpdfDriver\x + \global\let\ThumbpdfDriver\THB@pdfmark + \fi + \def\x{ps2pdf}\ifx\ThumbpdfDriver\x + \global\let\ThumbpdfDriver\THB@pdfmark + \fi + \def\x{vtexpdfmark}\ifx\ThumbpdfDriver\x + \global\let\ThumbpdfDriver\THB@vtex + \fi + + % Check: Called by pdfTeX or VTeX? Driver correct? + \ifcase\@ifundefined{pdfoutput}0\pdfoutput\relax + \@ReturnAfterElseFi{% + \ifcase0\@ifundefined{OpMode}1{\ifnum\OpMode=2 \else 1\fi} % + \global\let\ThumbpdfDriver\THB@vtex + \else + \@ReturnAfterFi{% + \ifx\ThumbpdfDriver\THB@pdfmark + \else + \@ReturnAfterFi{% + \ifx\ThumbpdfDriver\empty + \@ReturnAfterElseFi{% + \THB@WarnEnd{% + Missing driver name% + }% + }% + \else + \@ReturnAfterFi{% + \ifx\ThumbpdfDriver\THB@pdftex + \@ReturnAfterElseFi{% + \THB@WarnEnd{% + You need pdfTeX in PDF mode for driver `pdftex'% + }% + }% + \else + \@ReturnAfterFi{% + \ifx\ThumbpdfDriver\THB@vtex + \@ReturnAfterElseFi{% + \THB@WarnEnd{% + You need VTeX in PS mode for driver `vtex'% + }% + }% + \else + \@ReturnAfterFi{% + \THB@WarnEnd{% + Driver `\ThumbpdfDriver' not supported% + }% + }% + \fi + }% + \fi + }% + \fi + }% + \fi + }% + \fi + }% + \else + \global\let\ThumbpdfDriver\THB@pdftex + \fi + + % Check: Does data file exists? + \edef\THB@datafile{% + \jobname.tp\ifx\ThumbpdfDriver\THB@pdftex t\else m\fi + }% + \IfFileExists{\THB@datafile}{}{% + \THB@WarnEnd{Thumbnail data file `\THB@datafile' not found}% + }% + + % Some macros need \PackageWarning + \expandafter\ifx\csname PackageWarning\endcsname\relax + \gdef\PackageWarning#1#2{% + \immediate\write16{}% + \immediate\write16{% + Package `#1' warning: #2 on input line \the\inputlineno.% + }% + \immediate\write16{}% + }% + \fi + + % definition of \DeclareThumbs + \gdef\DeclareThumbs#1{% + \begingroup + % check LaTeX's \if@filesw + \expandafter\ifx\csname if@filesw\expandafter\endcsname + \csname iffalse\endcsname + \else + \csname newwrite\endcsname\THB@thumbopt + \immediate\openout\THB@thumbopt=\jobname.tno + % Definition of \thumb that also works with plain format. + \def\thumb##1##{\THB@thumb{##1}}% + \def\THB@thumb##1##2{% + \immediate\write\THB@thumbopt{% + \string\thumb##1{##2}% + }% + }% + \let\protect\string + % process data + #1% + % end of file + \immediate\write\THB@thumbopt{\string\endinput}% + \fi + \endgroup + \global\let\DeclareThumbs\THB@DeclareThumbs + } + \def\THB@DeclareThumbs#1{% + \PackageWarning{\THB@name}{Too many \string\DeclareThumbs}% + } + + % pdfmark part + \ifx\ThumbpdfDriver\THB@pdfmark + % the header file includes already the regular thumbnails. + \special{header=\THB@datafile}% + \begingroup + \def\DefThisThumb#1{% + \global\expandafter\let\csname thumb#1\endcsname\empty + }% + % ignore PostScript comment char + \catcode`\%=9 + \@ifundefined{@@input}{\input\THB@datafile\relax} + {\input{\THB@datafile}} + \endgroup + % definition of \thisthumb + \gdef\thisthumb#1{% + \expandafter\ifx\csname thumb#1\endcsname\relax + \PackageWarning{\THB@name}{Thumbnail `#1' undefined}% + \else + \special{ps:{THB\string_#1} thisTHB}% + \fi + }% + % end of pdfmark part + \endgroup\expandafter\endinput + \fi + + % vtex part + \ifx\ThumbpdfDriver\THB@vtex + % the header file includes already the regular thumbnails. + \ifnum\@ifundefined{VTeXversion}0\VTeXversion<753 % + \ifcase\@ifundefined{gexmode}1\gexmode + % without GeX + \immediate\special{header=\THB@datafile}% + \else + % with GeX + \begingroup + \edef\x{\the\globaldefs}% + \globaldefs-1\relax + \csname newread\endcsname\THB@TempRead + \globaldefs\x\relax + \openin\THB@TempRead=\THB@datafile\relax + \def\x{% + \catcode`\%=12 % + \catcode`\|=0 % + \catcode`\{=12 % + \catcode`\}=12 % + \catcode`\ =12 % + \catcode`\\=12 % + \catcode`\_=12 % + \let\par\empty + \loop + \ifcase\ifeof\THB@TempRead 1 \else 0 \fi + \read\THB@TempRead to \THB@line + \immediate\special{!=\THB@line}% + \repeat + \closein\THB@TempRead + \endgroup + }% + \x + \fi + \else + \immediate\special{headercopy=\THB@datafile}% + \fi + \begingroup + \def\DefThisThumb#1{% + \global\expandafter\let\csname thumb#1\endcsname\empty + }% + % ignore PostScript comment char + \catcode`\%=9 + \@ifundefined{@@input}{\input\THB@datafile\relax} + {\input{\THB@datafile}} + \endgroup + % definition of \thisthumb + \gdef\thisthumb#1{% + \expandafter\ifx\csname thumb#1\endcsname\relax + \PackageWarning{\THB@name}{Thumbnail `#1' undefined}% + \else + \special{!={THB\string_#1} thisTHB}% + \fi + }% + % end of vtex part + \endgroup\expandafter\endinput + \fi + + % pdftex part + \global\let\THB@datafile\THB@datafile +\endgroup + +\expandafter\chardef\csname THB@AtCode\endcsname=\the\catcode`\@ +\catcode`\@=11 + +% The thumbnails are numbered with the output pages: +% `thb1.png' means the thumbnail of the first output page, +% `thb28.png' the thumbnail of the 28th written page, +% regardless of the page number. +% Therefore we need a new counter that is incremented with each +% page that is written to the pdf file. +\newcount\c@thumb +\c@thumb 0\relax + +\newif\ifTHB@thisthumb + +\def\thisthumb#1{% + \global\THB@thisthumbtrue + \THB@AddPageAttr{#1}% +} + +% Now we enhance \shipout in order to +% * increment the output page counter (\c@thumb), +% * check if a thumbnail exists, +% * add/remove the thumbnail entry to the pdf page attributes. +\let\THBorg@shipout\shipout +\def\shipout{\THB@AddThumb\THBorg@shipout} +\def\THB@AddThumb{% + \begingroup + \global\advance\c@thumb by 1\relax + \ifTHB@thisthumb + \global\THB@thisthumbfalse % reset switch + \else + \THB@AddPageAttr{\the\c@thumb}% + \fi + \endgroup +} +\def\THB@AddPageAttr#1{% + % Remove previous /Thumb entry. + \expandafter\THB@RemoveThumbAttr\the\pdfpageattr^^J/Thumb{} 0 R\END + % Check, if thumb exists. + \expandafter\ifx\csname thumb#1\endcsname\relax + % \PackageWarning cannot be used, because \protect=\noexpand. + \immediate\write16{}% + \immediate\write16{Package \THB@name\space Warning: % + Thumbnail `#1' undefined % + on input line \the\inputlineno.% + }% + \immediate\write16{}% + \else + \begingroup + \edef\x{\endgroup + \global\pdfpageattr{% + \the\pdfpageattr + ^^J/Thumb \csname thumb#1\endcsname\space 0 R% + }% + }% + \x + \fi +} +\def\THB@RemoveThumbAttr#1^^J/Thumb#2#3 0 R#4\END{% + \ifx\\#2\\% + \global\pdfpageattr{#1}% + \else + \THB@RemoveThumbAttr#1#4\END + \fi +} + +% Many commands and catcode changes are only necessary to read +% the data file, so we do this in a group. +\begingroup + + % These commands are used in `<jobname>.tpt' + \def\DefThumb#1{% + \expandafter\xdef\csname thumb#1\endcsname{\the\pdflastobj}% + }% + + \def\DefRGB#1{% + \expandafter\edef\csname thumbRGB#1\endcsname{\the\pdflastobj}% + }% + \def\UseRGB#1{\csname thumbRGB#1\endcsname}% + + % Now the catcodes to read `<jobname>.tpt' follows: + \def\SetCatcodeRange#1#2{% + \c@thumb=#1 + \loop + \catcode\c@thumb=12 + \ifnum\c@thumb<#2 + \advance\c@thumb by 1 + \repeat + } + \SetCatcodeRange{0}{12}% + % ^^M + \SetCatcodeRange{14}{31}% + % space + \SetCatcodeRange{33}{36}% ! " # $ + % percent + \SetCatcodeRange{38}{63}% & ' ( ) * + , - . / 0-9 : ; < = > ? + % @ A-Z + \catcode`\[=12 + % backslash + \catcode`\]=12 + % ^ + \SetCatcodeRange{95}{96}% _ ' + % a-z { + \catcode`\|=12 + % } + \SetCatcodeRange{126}{255}% ~ 127 8-bit + + % commands for special characters used in `<jobname>.tpt'. + \edef\~{\space}% in stream data to avoid `\ ' at line end. + \let\ \~% + \edef\+{\string^}% + \begingroup + \lccode`1=`\\ + \lccode`2=`\^^M + \lccode`3=`\{ + \lccode`4=`\} + \lccode`5=`\% + \lowercase{\endgroup + \def\\{1}% + \def\/{2}% + \def\{{3}% + \def\}{4}% + \def\%{5}% + } + + % no white space by line ends + \endlinechar=-1 + + % process data file and include the thumbnails + % in the current pdf file + \expandafter\ifx\csname @@input\endcsname\relax + \input\THB@datafile\relax + \else + \input{\THB@datafile}% + \fi +\endgroup +% restore catcode of `@'. +\catcode`\@=\THB@AtCode\relax +\endinput diff --git a/Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.tex b/Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.tex new file mode 100644 index 00000000000..0bfdf2b8eda --- /dev/null +++ b/Master/texmf-dist/tex/generic/thumbpdf/thumbpdf.tex @@ -0,0 +1,278 @@ +% File: thumbpdf.tex +% Project: thumbpdf +% Version: 2005/07/06 v3.8 +% Author: Heiko Oberdiek +% +% Copyright: Copyright (C) 1999-2005 Heiko Oberdiek. +% +% This work may be distributed and/or modified under +% the conditions of the LaTeX Project Public License, +% either version 1.3 of this license or (at your option) +% any later version. The latest version of this license +% is in +% http://www.latex-project.org/lppl.txt +% and version 1.3 or later is part of all distributions +% of LaTeX version 2003/12/01 or later. +% +% This work has the LPPL maintenance status "maintained". +% +% This Current Maintainer of this work is Heiko Oberdiek. +% +% See file "readme.txt" for a list of files that +% belong to this project. +% +% Function: Program to include thumbnails as images. +% It looks for thumbnail files `thb*.png' and +% includes them as images in the output pdf file +% `thumbpdf.pdf'. The perl script `thumbpdf(.pl)' +% automatically calls pdftex with this file to +% generate `thumbpdf.pdf' and produces the data +% files, that contains the necessary pdf image objects +% for package `thumbpdf.sty'. +% +% Requirement: * pdftex +% * thumbnails `thb*.png' +% +% Use: * Syntax: pdftex thumbpdf +% * \thumbmax: +% Because it takes some time to look for 1000 thumbnail +% files, a maximum number can be specified: +% pdftex \def\thumbmax{20}\input thumbpdf +% * \thumbjob: +% This macro contains the name of the user's TeX file +% without extension (`<jobname>'). It is needed to build +% the name of the optional file `<jobname>.tno', that +% contains extra thumbnail declarations: +% pdftex \def\thumbjob{example}\input thumbpdf +% Then `example.tno' are read to get additional +% thumbnails. +% +% History: 1999/02/14 v1.0: first public release +% 1999/02/23 v1.1 +% 1999/03/01 v1.2 +% 1999/03/12 v1.3: Copyright: LPPL +% 1999/05/05 v1.4 +% 1999/06/13 v1.5 +% 1999/07/27 v1.6 +% 1999/08/08 v1.7: pdfTeX 0.14a +% 1999/09/09 v1.8 +% 1999/09/16 v1.9 +% 2000/01/11 v1.10: \immediate before \pdfximage removed, +% because it is obsolete and because of a problem with +% a pre-release version of pdfTeX 0.14d. +% 2000/01/19 v1.11 +% 2000/02/11 v1.12: \thumbjob added. +% 2000/02/22 v2.0: Looking for `\thumbjob.tno' only, the +% file name `thumbopt.tex' is not supported anymore. +% 2000/02/28 v2.1 +% 2000/03/07 v2.2 +% 2000/03/22 v2.3 +% 2000/04/10 v2.4: Version is also printed on screen. +% 2000/07/29 v2.5 +% 2000/09/27 v2.6 +% 2000/10/27 v2.7 +% 2001/01/12 v2.8 +% 2001/03/29 v2.9 +% 2001/04/02 v2.10 +% 2001/04/26 v2.11 +% 2002/01/11 v3.0 +% 2002/05/26 v3.1 +% 2002/05/26 v3.2 +% 2003/03/19 v3.3 +% 2003/06/06 v3.4 +% 2004/10/24 v3.5: LPPL 1.3. +% 2004/11/19 v3.6 +% 2004/11/19 v3.7: For easier debugging, the special +% thumbpdf objects are now valid PDF objects that +% are referenced in the Catalog. +% 2005/07/06 v3.8 + +\immediate\write16{% + File: thumbpdf.tex 2005/07/06 v3.8 % + Including thumbnails as images (HO)% +} +\immediate\write16{% +****************************************************************} +\immediate\write16{% +* Generating `thumbpdf.pdf', each page with a found thumbnail. *} +\immediate\write16{% +****************************************************************} + +\def\END{\csname @@end\endcsname\end} + +% Check, if LaTeX format +\ifx\mbox\undefined +\else + \immediate\write16{% + !!! Process this file `\jobname.tex' with pdf(e)tex % + (plain format) !!!% + }% + \expandafter\END +\fi + +% Check if pdfTeX +\ifx\pdfoutput\undefined + \immediate\write16{% + !!! Process this file `\jobname.tex' with pdf(e)tex % + (NOT tex) !!!% + }% + \expandafter\END +\fi + +\pdfoutput=1 + +% this file is tested with pdfTeX 0.13a +% but for downward compatibilty a trick from Hans Hagen: +\ifnum\pdftexversion<13 \ifnum\expandafter `\pdftexrevision<`s + \let\normalpdfimage\pdfimage + \def\grabpdfimage#1#2{\normalpdfimage#1 #2\relax} + \def\pdfimage#1#{\grabpdfimage{#1}} +\fi\fi + +% syntax has changed with pdfTeX 0.14a: +\ifnum\pdftexversion>13 + \def\pdfimage#1#{\grabpdfimage{#1}} + \def\grabpdfimage#1#2{% + \pdfximage#1{#2}\pdfrefximage\pdflastximage + } +\fi + +% max. 106x106 / 72 dpi +\hsize 1.5in +\vsize 1.5in + +\nopagenumbers + +\newcount\thumbcount +\def\thumbcountstep{\advance\thumbcount by 1 } + +\def\thumbfilename{thb\the\thumbcount.png} + +\newread\thumbread +\def\ifthumbexists{% + \openin\thumbread=\thumbfilename\relax + \ifeof\thumbread + \expandafter\noneofone + \else + \closein\thumbread + \expandafter\firstofone + \fi +} +\def\noneofone#1{} +\def\firstofone#1{#1} + +\def\iffileexists#1{% + \openin\thumbread=#1\relax + \ifeof\thumbread + \expandafter\secondoftwo + \else + \closein\thumbread + \expandafter\firstoftwo + \fi +} +\long\def\firstoftwo#1#2{#1} +\long\def\secondoftwo#1#2{#2} + +\let\listthumbs\empty + +\def\printthumbfile{% + \vfill\eject + \centerline{% + \pdfimage height \vsize {\thumbfilename}% + }% +} + +\newcount\thumbfound +\thumbfound=0 +\def\processthumb{% + \edef\listthumbs{\listthumbs\space\the\thumbcount}% + \printthumbfile + \pageno=\thumbcount + \advance\thumbfound by 1 +} + +\expandafter\ifx\csname thumbmax\endcsname\relax + \def\thumbmax{999}% +\fi + +\immediate\write16{* Looking for thumbnails 0..\thumbmax:} + +\thumbcount=\thumbmax\relax +\advance\thumbcount by 1 +\edef\thumbmax{\the\thumbcount}% +\thumbcount=0 +\loop +\ifnum\thumbcount<\thumbmax\relax + \ifthumbexists\processthumb + \thumbcountstep +\repeat + +\break +\immediate\write16{==> \the\thumbfound\space thumbnail(s) found.} +\immediate\pdfobj{<</MaxThumbNumber \the\thumbfound>>} +\edef\CatalogHook{\the\pdflastobj\space 0 R}% +\immediate\write16{* Looking for extra thumbnails:} + +\def\END{% + \ifx\allthumbs\empty + \else + \immediate\pdfobj{<</ListThumbs\listthumbs>>}% + \edef\CatalogHook{\CatalogHook\space\the\pdflastobj\space 0 R}% + \fi + \pdfcatalog{/ThumbpdfHook [\CatalogHook]}% + \vfill\eject + \csname bye\endcsname % \bye is \outer +} + +% <jobname>.tno +\ifx\thumbjob\UnDeFiNeD + \immediate\write16{!!! Warning: \string\thumbjob\space undefined, + search for extra thumbnails skipped!% + } + \expandafter\END +\fi +\def\optfile{\thumbjob.tno}% +\iffileexists{\optfile}{}{% + \immediate\write16{==> No optional thumbnail file.}% + \END +}% +\thumbfound=0 + +\def\thumb{\futurelet\nexttoken\thumbA} +\let\braceleft=[ +\def\thumbA{% + \if\nexttoken\braceleft + \expandafter\thumbB + \else + \expandafter\thumbC + \fi +} +\def\thumbC#1{\thumbB[#1]{#1}} +\def\thumbB[#1]#2{% #1: label, #2: file[.png] + \iffileexists{#2.png}{% + \def\thumbfilename{#2.png}% + }{% + \iffileexists{#2}{% + \def\thumbfilename{#2}% + }{% + \let\thumbfilename\empty + }% + }% + \ifx\thumbfilename\empty + \immediate\write16{% + !!! Warning: Thumbnail `#2' does not exist!"}% + \else + \edef\listthumbs{\listthumbs\space{#1}}% + \printthumbfile + \advance\thumbcount by -1 + \pageno=\thumbcount + \advance\thumbfound by 1 + \fi +} + +\thumbcount=0 +\input \optfile +\break +\immediate\write16{==> \the\thumbfound\space extra thumbnail(s) found.}% + +\END |